Finding the Fourth Proportional to 187,265.67, 280,969.25 and 112,437.99
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Solution
The fourth proportional to 187,265.67, 280,969.25 and 112,437.99 is: 168,699.46
Step by Step Solution
- Step 1: Write the proportion equation
187,265.67 : 280,969.25 = 112,437.99 : x - Step 2: Convert to fraction form
187,265.67/280,969.25 = 112,437.99/x - Step 3: Cross multiply
187,265.67x = 280,969.25 × 112,437.99 - Step 4: Simplify right side
187,265.67x = 31,591,617,721.81 - Step 5: Solve for x
x = 31,591,617,721.81/187,265.67 - Step 6: Final answer
x = 168,699.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.